package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.web.admin.service.FileService;
import com.minio.template.MinioTemplate;
import io.minio.*;
import io.minio.errors.*;
import jakarta.annotation.Resource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {

//    @Autowired
//    private MinioClient minioClient;
//
//    @Value("${minio.bucket-name}")
//    private String bucketName;
//
//    @Value("${minio.endpoint}")
//    private String endpoint;

//    @Override
//    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
//        boolean bucketExists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
//        if (!bucketExists) {
//            minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
//            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(bucketName).config(getBucketPolicy(bucketName)).build());
//        }
//
//        String objectName = new SimpleDateFormat("yyyyMMdd").format(new Date()) + "/" + UUID.randomUUID() + "-" + file.getOriginalFilename();
//        minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(file.getInputStream(), file.getSize(), -1).contentType(file.getContentType()).build());
//
//        System.out.println("objectName = " + objectName);
//        return String.join("/", endpoint, bucketName, objectName);
//    }
//
//    private String getBucketPolicy(String bucketName) {
//        return """
//                {
//                  "Statement" : [ {
//                    "Action" : "s3:GetObject",
//                    "Effect" : "Allow",
//                    "Principal" : "*",
//                    "Resource" : "arn:aws:s3:::%s/*"
//                  } ],
//                  "Version" : "2012-10-17"
//                }
//                """.formatted(bucketName);
//    }
@Resource
private MinioTemplate minioTemplate;

    @Override
    public String upload(MultipartFile file) throws Exception {
        String date = new SimpleDateFormat("yyyyMMdd").format(new Date());
        String objectName = date +"/"+ file.getOriginalFilename();
        minioTemplate.uploadObject(objectName,file.getInputStream(),file.getSize(),file.getContentType());
        return minioTemplate.getObjectUrl(objectName);
    }
}
